Arrangement for extracting metal bodies from webs of textile materials



lPiaeiiiediiei.25,1947 'Y r E 2,416,293 'l UNITED STATES PATENT OFFICE ARRANGEMENT FOB EXTRACTING META!! BODIIS `WEBS OF.-,TEX'TIULE MA'L'i f 'Hubei-t nuesberg, Brunch, Belgium; t1/"estes in the Allen Property j J Application April 1s, i940, seran No. :30,4410

In Belziumnprii is, 193s 4 claimf foi. iii-as) In the treatment of textile materials belt` 8 or. any other similar conveyor device,l

l, whence. it'passes 'between calendering rollers 8 andflrlocated-to the right of the belt l. The web 2f frequently contains lcard teeth removed from these foreign bodies considerably in- 's the carding devices (drum. comb and the like), terferes with the working to which the web is which metal particles can score the calender subsequently subjected and in particular when 4rollers in passing' therebetween and rapidly renthe actual doier is followed by an arrangement l der them unserviceable.-

intended to eliminate by calendering the impuri-f I norder to prevent'such injury tothe rollers. ties such as hard ends, loose libres` and the like, 10 it isproposed according to the invention to mount which the aforesaid web may contain.- a magnetic separator l extending across the The calendering of the web is carried out; entire width-oi' and below the textile web, at a through the intermediary of twofground rollers point betweenthe doiIer I and the calender rollcalled calender cylinders, between which the web ers 8 and 1. `By the action of the separator thepasses. 15 aforesaid web 'is freed from `any metal bodies. The metal bodies, which are oi' harder coxn- Thismagnetlc separator 8 may be constituted by position than the ground rollers, score these rollan electromagnet fed either with direct or alterers and gradually reduce their emcacy. It is nating current, or it may be constituted by a then necessary to have these rollers ground, in permanent magnet. order to restore thereto the qualities necessary zo The magnetic separator l shown in Figure 1 for the work which they are to accomplish, which comprises a casing, the side walls i0 and Il of output, since the removal oi' the calender rollers about 3 mm. thick. These two sheetsdisposed" necessitates temporarily placing the machine out obliquely with respect to one another, so as to oi' service. f

In order to overcome this disadvantage, it is together by a zone i3 of a .non-magnetic alloy, proposed in accordance with the invention to commencing ata distance of about 15 mm. from submit the web of textile material to a magnetic the edge of the said inclined plane. The aforeaction produced by windings in a casing arranged said zones extends over 'a length of about 10 mm. near the doier and under the part Where the web 30 and its composition is. for example. the followieaves it before introduction of the web between ing:

the calender rollers, this magnetic action having Per cent the eli'ect of freeing the web from any metalim- Lead 50 purity which may impair the operation of the Tm '49 laid rollers. 35 5% phosphor-tin 1 Further features of the invention will apppear from the fOllOWinU description. Inside the said casing is disposed a series wind-- The accompanying drawings show by way of ing I4 (see also Figure 2) provided with a circuit example an arrangement for carrying the method breaker, not shown. and fed. for example. at 12 into eifect. a volts. i

Figure 1 is a view in perspective. partly broken This magnetic separator is disposed (see FiglWy. ol' a particular form of the magnetic ure 3)'in the neighborhood of the vibrating knife separator: or comb .4in such manner that its face il is Figure 2 is a diagrammatic view of the winding situated at about 25 mm. from the periphery of with which the said separator is provided: the doiler'l. In addition, this separator is so Figure 3 shows the application of the said mounted that its rounded edge il is situated in separator to a carding installation. the neighbourhood of the web 2 of textile ma- The web 2 (Shown in dotted lines) aocordin terial, but without the latter touching the said to the invention. which is composed of textile edge. 'n 2xrnaterialsyfis fed Vonto the doller I and ls detached 5o It will be understood that the invention is not rom theiatter by the action of a vibrating knife limited to the embodiment described by way of of'oomb to which constant oscillatory moveexample but that it covers any embodiment fall- ;ht isf-imparted When the web leaves the ing within the scope oi' the following claims.

' -sissubmitted to the magnetic action what I claim is: "ita'casingaid is then brought onto an endless gg 1. A textile carding machine comprising a e Ough 1i: from e web, fece comprising e, non-magnetic part 1". the to magnetic poles fo the el electro-meetic -w u .L the comb and beneath the we upper part of seid casing which receives the metel particles through end from the web. conveyor 5 al cles seid non-magnetic part being commecns 'tor the web, and calender rolls to which of lead 50%, tin 40% and phosphor tin 1%, c conveyor e for the web, end calender rolls w Le vey by d 1f to which the web is conveyed by said means.

HUBERT D 2. A textile cardine machine come, e vibm .-.1 .comb for detec 1:

e MESI om the 603er, provi .w I BEFERENQEg fr;

omeetic fm edv l and beneath the web for attracting metmmwmgeferen uw n f mis ci :cies tuch one 1 the web. in e P* clinedsurfeceonsamiorx'ecelvinathe "f @STATESPA fw metal particles. conveyor me ox' the web, d l@ ber Name gnf 1118. to www web m www@ comme shumeworm sept. 15, mee

. -`l2'.' a nbe fl'm the d, '."l"l -pmvded i 4031,77@ Hanns Jan- 17' 1922 with elemlmem W vollem cumoso'ffl'l'ffmr:1a:1930 the comb. and beneath e web for attracting l mspzm an .Jme 20 1939 metal icles through ond iro the web,

` etic inclined surface compx'ieing c nonbetween the two megnetic poles formi g the up 23mm? me@ 0f Said C which eive the me 33g 9g@ Etish L 30 1933 particles. conveyor-means for the web, end cel- 6431237 French may 1511923 der rolls to which the web is cveeee by seid www man De@ 17, mm @THER amm-mees v tele dboolx. pages 14H5 and 1514, pubs Society of Metals, Clavel, 

